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標題: AVR單片機按鍵控制數碼管 [打印本頁]

作者: 曬黑的北方娃 時間: 2015-5-11 20:15
標題: AVR單片機按鍵控制數碼管
AVR單片機按鍵控制數碼管+1、-1、我已經寫好了，但是遞增跟遞減不會寫，求教
#include <iom88v.h>
unsigned char output[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};    //定義一個有小數點的數組給個位
unsigned char output1[]={0x3f,0x06,0xd5b,0xc4f,0xe66,0xe6d,0x7d,0x07,0x7f,0x6f};  //定義一個沒有數組的給百十位
unsigned int shuzhi=100;
unsigned char dispaynum=1;
unsigned int System_Time = 0;
unsigned char key;
unsigned char flag;
unsigned char flag1;
unsigned char flag2;
unsigned char flag3;
void delay(unsigned int yanshi)
{
unsigned int x,z;
for(x=yanshi;x>0;x--)
{
for(z=110;z>0;z--);
}
}
void port_init(void)  //端口初始化
{
PORTD = 0xff;
DDRD  = 0xff; //端口D輸出
PORTC = 0xff;
DDRC  = 0xff; //端口C輸出
PORTB = 0x0f;
DDRB  = 0xf0;
}

/*void yy(void)
{

unsigned char i;
   DDRB  = 0xf0; //端口B輸入
   PORTB = 0x0f;
   i=PINB;
   i&0x0f;
   if(i!=0x0f) key=1;
   else key=0;
}
*/
void keyy(void)
{
unsigned int i;

//---------------------------------------------K1
if(!(PINB&(1<<0)))
    {

    if(!(PINB&(1<<0)))
    {
       if(flag==0){shuzhi++;flag=1;}
          }
    }
    if(PINB&(1<<0)){flag=0;}
//-----------------------------------------K2
       if(!(PINB&0x02))
    {
       if(!(PINB&0x02))
    {
            if(flag1==0){shuzhi--;flag1=1;}
    }
    }
    if(PINB&0x02){flag1=0;}

//------------------------------------------K3
       if(!(PINB&0x04))
    {
    delay(2);
    if(!(PINB&0x04))
    {
    if(flag2==0)
          {
            while(1)
    {shuzhi++;
    if(dispaynum==1)
{
PORTD=output[shuzhi%10];  //取數值的個位數
PORTC=0xfb;             //使LED3使能
dispaynum=2;
}
else if(dispaynum==2)
{
PORTD=output1[(shuzhi%100)/10];  //取數值的十位數
PORTC=0xfd;                   //使LED2使能
dispaynum=3;
}
else if(dispaynum==3)
{
PORTD=output1[shuzhi/100];    //取數值的百位數
PORTC=0xfe;                   //使LED1使能
dispaynum=1;
}

          flag2=1;}
    }
    }
    }
if(PINB&0x04){flag2=0;}
}
void dispay (void)
{
if(dispaynum==1)
{
PORTD=output[shuzhi%10];  //取數值的個位數
PORTC=0xfb;             //使LED3使能
dispaynum=2;
}
else if(dispaynum==2)
{
PORTD=output1[(shuzhi%100)/10];  //取數值的十位數
PORTC=0xfd;                   //使LED2使能
dispaynum=3;
}
else if(dispaynum==3)
{
PORTD=output1[shuzhi/100];    //取數值的百位數
PORTC=0xfe;                   //使LED1使能
dispaynum=1;
}
}
void main(void)
{
port_init();

//yy();
while(1)
{
dispay();
keyy();
/*System_Time++;    //防止數據跳動過快，延時一段時間數值再減一
if (System_Time > 1000)
{
System_Time = 0;
         shuzhi--;
      }

if(shuzhi==0)       //循環數值再到999
{
PORTC=0xef;
shuzhi=999;
}*/

}

}

作者: 曬黑的北方娃 時間: 2015-5-11 20:16
#include <iom88v.h>
unsigned char output[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};    //定義一個有小數點的數組給個位
unsigned char output1[]={0x3f,0x06,0xd5b,0xc4f,0xe66,0xe6d,0x7d,0x07,0x7f,0x6f};  //定義一個沒有數組的給百十位
unsigned int shuzhi=100;
unsigned char dispaynum=1;
unsigned int System_Time = 0;
unsigned char key;
unsigned char flag;
unsigned char flag1;
unsigned char flag2;
unsigned char flag3;
void delay(unsigned int yanshi)
{
unsigned int x,z;
for(x=yanshi;x>0;x--)
{
for(z=110;z>0;z--);
}
}
void port_init(void)  //端口初始化
{
PORTD = 0xff;
DDRD  = 0xff; //端口D輸出
PORTC = 0xff;
DDRC  = 0xff; //端口C輸出
PORTB = 0x0f;
DDRB  = 0xf0;
}

/*void yy(void)
{

unsigned char i;
   DDRB  = 0xf0; //端口B輸入
   PORTB = 0x0f;
   i=PINB;
   i&0x0f;
   if(i!=0x0f) key=1;
   else key=0;
}
*/
void keyy(void)
{
unsigned int i;

//---------------------------------------------K1
if(!(PINB&(1<<0)))
    {

    if(!(PINB&(1<<0)))
    {
       if(flag==0){shuzhi++;flag=1;}
          }
    }
    if(PINB&(1<<0)){flag=0;}
//-----------------------------------------K2
       if(!(PINB&0x02))
    {
       if(!(PINB&0x02))
    {
            if(flag1==0){shuzhi--;flag1=1;}
    }
    }
    if(PINB&0x02){flag1=0;}

//------------------------------------------K3
       if(!(PINB&0x04))
    {
    delay(2);
    if(!(PINB&0x04))
    {
    if(flag2==0)
          {
            while(1)
    {shuzhi++;
    if(dispaynum==1)
{
PORTD=output[shuzhi%10];  //取數值的個位數
PORTC=0xfb;             //使LED3使能
dispaynum=2;
}
else if(dispaynum==2)
{
PORTD=output1[(shuzhi%100)/10];  //取數值的十位數
PORTC=0xfd;                   //使LED2使能
dispaynum=3;
}
else if(dispaynum==3)
{
PORTD=output1[shuzhi/100];    //取數值的百位數
PORTC=0xfe;                   //使LED1使能
dispaynum=1;
}

          flag2=1;}
    }
    }
    }
if(PINB&0x04){flag2=0;}
}
void dispay (void)
{
if(dispaynum==1)
{
PORTD=output[shuzhi%10];  //取數值的個位數
PORTC=0xfb;             //使LED3使能
dispaynum=2;
}
else if(dispaynum==2)
{
PORTD=output1[(shuzhi%100)/10];  //取數值的十位數
PORTC=0xfd;                   //使LED2使能
dispaynum=3;
}
else if(dispaynum==3)
{
PORTD=output1[shuzhi/100];    //取數值的百位數
PORTC=0xfe;                   //使LED1使能
dispaynum=1;
}
}
void main(void)
{
port_init();

//yy();
while(1)
{
dispay();
keyy();
/*System_Time++;    //防止數據跳動過快，延時一段時間數值再減一
if (System_Time > 1000)
{
System_Time = 0;
         shuzhi--;
      }

if(shuzhi==0)       //循環數值再到999
{
PORTC=0xef;
shuzhi=999;
}*/

}

}

作者: admin 時間: 2015-5-11 21:47
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